Floating Ball Valve Side Entry Split Body – Low Temperature
Floating Ball Valve Side Entry Split Body – Low Temperature
Trunnion & floating ball valves
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Floating Ball Valve Side Entry Split Body – Low Temperature
Floating ball valves have the obturator free from axial constraints and it is supported between two soft seat inserts; under pressure the ball compresses the downstream soft insert to obtain the sealing; these valves are generally recommended for use in clean service with limited sizes and ratings. Erreesse production range offers a wide selection of models and construction suitable for critical services also. VFC model is suitable for low temperature applications where internal body cavity relief by seat design is required.
Construction | Two or Three piece bolted body |
Port | Reduced bore, full bore or fully piggable |
Stem retention | Anti blow-out stem |
Leakage rate | ISO 5208 rate A soft seated, rate B,C, D metal seated |
Antistatic device | Included, the ball valve design includes an electric conductive connection between the internal parts of the ball valve and the body, providing the anti-static function. |
Pressure relief | Not foreseen on valve models VFE Self-relieving seats on valve model VFC |
Sealing | Bi-directional Metal seated with Tungsten or Chrome Carbide coatings Elastomers FKM, HNBR, EPDM O-Rings, special elastomers upon request PTFE Lis seal standard construction |
Drain | Not foreseen for this valve model |
Vent | Not foreseen for this valve model |
Stem grease injectors | Not foreseen for this valve model |
Lifting points | Not foreseen for this valve model |
Support feet | Not foreseen for this valve model |
Stem extension | Not foreseen for this valve model |
Valve operation | Lever, Gear box or Actuator with position indicator and locking device |
Material testing | Pressure containing & controlling parts to EN10204 3.1 Materials in Sour Service according to NACEMR0175, MR0103, ISO 15156 Non-destructive testing (NDT) to API 6D, ASMEB16.34 |
Valve testing | Hydrostatic & pneumatic testing to API 6D, ASME B16.34, ISO 5208 (other upon request) |
Design | API 6D, ASME B16.34, ISO 14313, ISO 17292 |
Design pressure | ASME B16.34, EN 1092-1, ISO 17292 |
Body wall thickness | ASME B16.34, ASME VIII Div. I, ISO 17292 |
Face to Face | API 6D, ASME B16.10 Long pattern |
Temperature range | -50° to 200°C (-58° to 392°F) |
Pressures range | PN20 (ANSI 150) to PN420 (ANSI 2500) |
Size range | DN15 (1/2") to DN150 (6") |
End connections | ASME B16.5 Flanged RF,FF,RTJ ASME B16.25 Butt-Weld BW ASME B16.11 Socket-Weld SW ASME B36.10 Plain-End PE ASME B1.20.1 Threaded NPT (F/M) |
Safety Integrity Level | SIL 3 |
Fire Safe | API 607, API 6FA, BS 6755, ISO 10497-5 |
Area Classification | ATEX 94/9/EC |
Pressure Equipment Directive | PED 97/23/EC |
Fugitive Emission | ISO 15848/1 |
Construction | API 6D |